Product Comparison: Noctua NF-R8 redux-1800 PWM vs Noctua NF-B9 redux-1600 PWM


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General Specifications
Brand
Noctua
Noctua
Model
NF-R8 redux-1800 PWM
NF-B9 redux-1600 PWM
Origin
China
China
About the Product
The 1800rpm PWM version features Noctua’s proprietary NE-FD1 PWM IC for automatic speed control, which allows to strike a perfect balance between high cooling capacity and low noise operation in each given situation.
The 1600rpm PWM version features Noctua’s proprietary NE-FD1 PWM IC for automatic speed control, which allows to strike a perfect balance between high cooling capacity and low noise operation in each given situation.
Key Specs
Fan Bearing Technology
SSO Bearing
SSO Bearing
Max. Airflow
31.37 CFM
37.84 CFM
Speed
1800 RPM
What customers say about "Key Specs"
Noctua NF-R8 redux-1800 PWM High Performance Cooling Fan
  • Noctua fans have excellent reviews for quiet with good airflow.
  • They have great airflow and cooling capability for such a low noise footprint.
  • Classy looking and work perfectly, with good airflow.
  • Great airflow and insanely quiet.
  • Has a really good amount of airflow and is surprisingly quiet.
Noctua NF-B9 redux-1600 PWM High Performance Cooling Fan
  • Great airflow, and low noise.
  • Noise and airflow are outstanding.
  • Works perfect for increasing the airflow through my mATX platform PC.
  • Fan operates quietly and flows a nice amount of air for its smaller size.
  • Very quiet and good airflow considering the size.
Size & Weight
Height
3.15 in.
3.62 in.
Width
3.15 in.
3.62 in.
Depth
0.98 in.
0.98 in.
Weight
5.1 oz.
3.2 oz.
Features
Number of Coolers
1
1
Fan Size
80 mm
92 mm
Noise Level
17.1 dB
17.6 dB
Power Connector Type
4-pіn
4-pіn
Extras
Custom-designed PWM IC with SCD, Streamlined redux edition
Streamlined redux edition, Bevelled Blade Tips, Custom-designed PWM IC with SCD
What customers say about "Features"
Noctua NF-R8 redux-1800 PWM High Performance Cooling Fan
  • Quiet and effective airflow.
  • Quiet, powerful. Keep it working at 95% and is silent.
  • This is very quiet. At full speed it moves a reasonable amount of air very quietly.
  • These fans are whisper quiet, you really can only hear them run at 1300 RPM and beyond.
  • This is a high quality and quiet.
Noctua NF-B9 redux-1600 PWM High Performance Cooling Fan
  • This is a very nice 92mm fan, which is a somewhat less competitive market than 120mm.
  • Great fan - very very quiet and good airflow.
  • Good quality fan. Highly recommend.
  • Very cool, very quiet. Highly recommended, will buy again.
  • Built a PWM fan controller with low-speed alarm for them, very quiet and keeps the computer boards cool.
Warranty / Certifications
Certifications
CE, FCC
CE, FCC
Manufacturer Warranty
6 year(s)
6 year(s)
Other Information
Manufacturer


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